Mouthwash comes in two kinds: cosmetic rinses that freshen your breath for a while, and therapeutic rinses built around an active ingredient the FDA recognizes for a specific purpose, like reducing plaque and gum inflammation or preventing cavities.

Signature SELECT Antiseptic Mouthwash Amber

Cosmetic vs. Therapeutic

By the American Dental Association's definition, a cosmetic rinse temporarily controls bad breath and leaves a pleasant taste, with no chemical or biological effect beyond that. It makes no lasting claim, so it isn't required to prove one.

Therapeutic rinses are different. Their active ingredients, in the ADA's words, help control conditions like gingivitis, plaque, and tooth decay, which puts them under FDA over-the-counter drug rules. That's why a therapeutic rinse carries a Drug Facts panel with an "Active ingredient" line, the same panel you see on a pain reliever.

A Drug Facts panel on the back means therapeutic. No panel means cosmetic.

What the ADA Seal Tells You

Look for the ADA Seal of Acceptance on the label. It's a voluntary program. A manufacturer sends the ADA its safety and effectiveness data, and the ADA checks that the product does what its label claims before the Seal goes on the box. For a rinse claiming to reduce gingivitis and plaque, the ADA's benchmark is two six-month studies showing a meaningful drop in gum inflammation.

If you want a rinse whose therapeutic claim has been checked by someone other than the maker, the Seal is the signal to look for. A cosmetic rinse won't carry a therapeutic Seal claim, because it isn't making one.

What the Active Ingredient Tells You

On a therapeutic rinse, the active ingredient on the Drug Facts panel tells you which claim the product is allowed to make. Four ingredient families cover almost everything on the shelf.

The essential-oil rinses are the classic amber antiseptic mouthwash and its mint-colored versions. Eucalyptol, menthol, thymol, and methyl salicylate are the four oils behind the plaque-and-gingivitis claim. One reviewer of Safeway's store-brand antiseptic, headed "Fresh and clean," writes it "does what it says it will do for your teeth and gums as an antiseptic would do."

Cetylpyridinium chloride, or CPC, is an antibacterial the FDA recognizes for the same plaque-and-gingivitis claim. It's common in alcohol-free rinses because it stays dissolved without alcohol. Research comparing CPC and essential-oil rinses over three to six months finds them roughly equal on plaque and gingivitis.

Sodium fluoride does a different job. A fluoride rinse targets enamel and cavities, not gum inflammation.

Alcohol vs. Alcohol-Free

Alcohol in a traditional antiseptic rinse is there as a solvent, keeping the essential oils dissolved. It's also what gives those rinses their sharp burn and can leave your mouth feeling dry. It is not the active ingredient. One reviewer of the store-brand antiseptic, headed "Works Great!," writes: "Does the job. Stings as expected."

Crest Pro-Health Advanced Alcohol Free Extra Whitening

Alcohol-free rinses skip the burn and the drying feel. Because the therapeutic claim rides on the active ingredient and not the alcohol, an alcohol-free rinse can carry the same plaque, gingivitis, or cavity claim as an alcohol-based one. Pick by feel and by the active you want. Alcohol doesn't mean stronger.

The Words on the Bottle

"Antiseptic" signals the essential-oil or CPC family with a plaque-and-gingivitis claim.

A bottle marked "fluoride rinse" or "anticavity" is built on sodium fluoride and aimed at enamel. These are often used at a different time of day from brushing.

"Whitening" is usually a cosmetic claim aimed at surface stain over time, sometimes with added hydrogen peroxide. A whitening rinse may also list a therapeutic active like fluoride or CPC, so check the Drug Facts panel to see whether it's cosmetic only or both. Expect gradual, mild results next to strips or an in-office treatment.

"Sensitivity" rinses are aimed at teeth that react to hot and cold, usually built around fluoride.

Hello Peace Out Plaque Mouthwash

A Rinse Doesn't Replace Brushing and Flossing

The ADA states it directly: using a mouthrinse does not take the place of brushing and flossing. A rinse reaches surfaces and adds an active ingredient, but it doesn't scrape off plaque the way a brush and floss do.

Buying It at Safeway

Start with the job. If you want plaque and gum control, look for "Antiseptic" and an essential-oil or CPC active. If you want cavity protection, look for a fluoride rinse. If burn bothers you, choose alcohol-free. For any therapeutic claim you care about, look for the ADA Seal.

Safeway's own store brand, Signature Select/Care, sells an antiseptic line that sits in the essential-oil family, the store-brand counterpart to a national antiseptic rinse. It comes in amber and in mint, in several sizes. One reviewer, headed "Will Not Disappoint," writes: "Safeway products are always comparable to name brand. This mouthwash will not disappoint."

Signature SELECT Antiseptic Mouthwash Blue Mint

Availability and sizes vary by store. Check your Safeway's shelf or the app for what's in stock.

Common Questions

What's the difference between cosmetic and therapeutic mouthwash?

A cosmetic rinse freshens breath and leaves a clean taste, with no active ingredient and no lasting effect. A therapeutic rinse has an FDA-recognized active ingredient and makes a specific claim like reducing plaque and gingivitis or preventing cavities. Flip the bottle over. If there's a Drug Facts panel, it's therapeutic.

Is alcohol-free mouthwash as effective as one with alcohol?

It can be. The alcohol is a solvent, not the active ingredient, so removing it doesn't remove the effect. Plaque, gingivitis, and cavity claims all come from the active listed on the Drug Facts panel, with or without alcohol behind it. The difference you'll notice is the burn and the drying feel.

What does the ADA Seal on mouthwash mean?

It means the manufacturer submitted safety and effectiveness data and the ADA verified the product does what its label claims. For a gingivitis-and-plaque claim, that means clinical studies showing a meaningful reduction. The program is voluntary, and plenty of fine cosmetic rinses go without a Seal because they have no therapeutic claim to verify.

What does "antiseptic" mean on a mouthwash?

It marks a therapeutic rinse in the essential-oil or CPC family, one allowed to claim it helps reduce plaque and gingivitis. The Drug Facts panel lists which active ingredient it uses.

What is a fluoride rinse for?

Cavity prevention. A fluoride rinse works on tooth enamel rather than gums, which makes it a different tool from an antiseptic rinse. Many people use it at a separate time of day from brushing.

Can mouthwash replace brushing and flossing?

No. The ADA is explicit that a rinse supplements brushing and flossing rather than replacing them. A rinse bathes surfaces in an active ingredient, but only a brush and floss physically remove plaque.